Trail Running Calendar East of England 2025-2026

The Great Barrow Challenge Day 3, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose their race,..

The 3 Brewers 10km is a trail running event held at the 3 Brewers Brewery, a scenic location nestled on a farm in the Hertfordshire countryside. The race features a two-lap, multi-terrain course that is approximately 70% off-road, including local trails, woodland, nature reserves, and country lanes,..

The Great Barrow Challenge Day 4, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose their own p..

The Great Barrow Challenge Day 5, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day running challenge offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose..

The Trifarm Summer Trail 10k is a scenic trail running event held at Trifarm in Boreham, Chelmsford, Essex. Organized by Multisport-Management, this race is part of a seasonal series and features a mostly off-road course, with over 95% of the route on public footpaths and bridleways. The course foll..

The Zigzag Great Barrow Challenge Day 6 takes place at the Suffolk Running Centre in Bury St Edmunds, featuring the Golding Hills route. This trail event offers multiple distance options including 10k, half marathon, full marathon, and ultra marathon, catering to various fitness levels. The course i..

The Great Barrow Challenge Day 6, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day running challenge offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose..

The ZigZag Great Barrow Challenge Day 7 is a trail running event held at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. Part of a 10-day series, Day 7 features the Chevington route, offering distances from 5k up to ultra marathon, allowing participants to choose their preferred race and pa..

The Great Barrow Challenge Day 8, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds. This event is part of a 10-day series offering various distances including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to choose their own p..

The Great Barrow Challenge Day 9, hosted by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event is part of a 10-day series offering individual day entries with multiple distance options including 5k, 10k, half marathon, full marathon, and ultra maratho..

The ZigZag Great Barrow Challenge Day 10 is a trail running event held at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event offers individual day entries with multiple distance options including 5k, 10k, half marathon, full marathon, and ultra marathon, allowing participants to cho..

The Terling QTR event, organized by Mid Essex Casuals, offers a self-navigation trail run with two distance options: 6.55 miles and 3.6 miles. Taking place near Owls Hill Teashop in Terling, Essex, the course is mainly off-road, featuring footpaths, tracks, and field edges, with some short road sect..

Run Sandringham 24 is a premier 24-hour trail running event held at the scenic Sandringham Estate, the Royal Family's country retreat in Norfolk, England. Participants can run solo or in teams of up to 12, completing laps of a 5-mile course through beautiful Royal Parkland and Norfolk countryside. T..

The Stour Valley Path 100 (SVP100) is a prominent ultra running event in the UK, featuring a 100km (62-mile) point-to-point race along the scenic Stour Valley Path from Newmarket, Suffolk, to Cattawade near Manningtree, Essex. Renowned for its beautiful English countryside landscapes famously painte..

The Cold Norton Charity Summer Half Marathon Trail Event, held in Cold Norton, Essex, offers runners two scenic trail options: a 10K and a 13.1-mile half marathon. The routes traverse mainly grass, tracks, and paths through beautiful countryside and nearby villages, featuring unmarked narrative cour..

The Huffer Puffer Trail Race is a self-navigation trail running event held near Littley Green, Chelmsford. Covering approximately 6 miles, the course traverses trails, tracks, and country lanes. Participants receive a written route description on race day, as the course is unmarked and without marsh..

The Pitsea RC Crown to Crown 5k is an off-road trail race held at Westley Heights Country Park, Langdon Hills. The 5-kilometer course mainly follows bridleways, starting on Beeleigh Avenue, passing through Lee Chapel Lane, and looping around the Essex Wildlife Trust's Willow Park before finishing at..

Letting Off Steam is a charity running event held at Whitwell and Reepham Railway Station, featuring 5km and 10km race options along the scenic Marriott's Way and local footpaths. The 5km route is family-friendly, suitable for all ages with under-11s accompanied by an adult, while the 10km race is f..

The Admiral McHilly Trail is a challenging trail running event held in Chelmsford, Essex, featuring an approximately 15-mile course with significant elevation, including over 900 feet of climbing and descent concentrated in the middle section. The race follows a self-navigation format using a writte..

The Phoenix Striders Summer Series is a trail running event held at the Essex Wildlife Trust's Langdon Discovery Nature Park, part of Langdon Hills. The 2025 series culminates in Round 5, a 5k race consisting of two laps around a 2.5k trail circuit featuring natural terrain such as tree roots, cobbl..